Module of covariants: Difference between revisions

Revision as of 10:07, 8 June 2014

Revision as of 05:06, 10 June 2014

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In algebra, given a group ''G'', a ''G''-module ''M'' and a ''G''-algebra ''A'', both over a field ''k'', the '''module of covariants''' is the <math>A^G</math>-module

: <math>(M \otimes_k A)^G.</math>.

== See also ==

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== References ==

* M. Brion, ''Sur les modules de covariants'', Ann. Sci. École Norm. Sup. (4) 26 (1993), 1 21.

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